ECO C46
Three Knights Opening
The position after 1.e4 e5 2.Nf3 Nc6 3.Nc3.
Three Knights Opening
5 half-moves in · 3 named continuations
8♜
♝
♛
♚
♝
♞
♜
7♟
♟
♟
♟
♟
♟
♟
6
♞
5
♟
4
♙
3
♘
♘
2♙
♙
♙
♙
♙
♙
♙
a1♖
b
c♗
d♕
e♔
f♗
g
h♖
1. e4 e5 2. Nf3 Nc6 3. Nc3
Three Knights Opening is filed under ECO C46. It is the position after 1.e4 e5 2.Nf3 Nc6 3.Nc3 — 5 half-moves in, with Black to move. From here theory names 3 continuations: Nf6, f5, g6.